pref("extensions.hello_world.boolpref", false);
pref("extensions.hello_world.intpref", 0);
pref("extensions.hello_world.stringpref", "A string");

// https://developer.mozilla.org/en/Localizing_extension_descriptions
pref("extensions.hello_world@hello_world.com.description", "chrome://hello_world/locale/overlay.properties");
